minio/buildscripts/genversion.go

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2015-09-19 02:27:04 -04:00
// +build ignore
/*
* Minio Cloud Storage, (C) 2015 Minio, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package main
import (
"fmt"
"net/http"
"os"
"strings"
"text/template"
"time"
)
var versionTemplate = `// -------- DO NOT EDIT --------
// This file is autogenerated by genversion.go during the release process.
package main
const minioVersion = {{if .Version}}"{{.Version}}"{{else}}""{{end}}
const minioReleaseTag = {{if .ReleaseTag}}"{{.ReleaseTag}}"{{else}}""{{end}}
`
// genVersion generates version.go.
func genVersion(version string) {
t := template.Must(template.New("version").Parse(versionTemplate))
versionFile, err := os.OpenFile("version.go", os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0600)
if err != nil {
fmt.Println("genversion: Unable to generate version.go. Error: %s.", err)
os.Exit(1)
}
defer versionFile.Close()
err = t.Execute(versionFile, struct {
Version string
ReleaseTag string
}{version, genReleaseTag(version)})
if err != nil {
fmt.Println("genversion: Unable to generate version.go. Error: %s.", err)
os.Exit(1)
}
}
// genReleaseTag prints release tag to the console for easy git tagging.
func genReleaseTag(version string) string {
relTag := strings.Replace(version, " ", "-", -1)
relTag = strings.Replace(relTag, ":", "-", -1)
relTag = strings.Replace(relTag, ",", "", -1)
return "RELEASE." + relTag
}
func main() {
// Version is in HTTP TimeFormat.
version := time.Now().UTC().Format(http.TimeFormat)
// generate version.go file.
genVersion(version)
fmt.Println("Version: \"" + version + "\"")
fmt.Println("Release-Tag: " + genReleaseTag(version))
}